G21C 1/30
Subcritical reactors
Official title: Subcritical reactors {; Experimental reactors other than swimming-pool reactors or zero-energy reactors}
G21C1/30 (Subcritical reactors) appears on 65 US grants and 77 published applications in this corpus.
Search patents in G21C- Granted patents
- 65
- Published applications
- 77
- Assignees
- 47
- Inventors
- 166
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 0 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 7 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 4 | 5 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 5 |
| 2019 | 0 | 2 |
| 2020 | 8 | 3 |
| 2021 | 3 | 6 |
| 2022 | 5 | 5 |
| 2023 | 3 | 2 |
| 2024 | 2 | 6 |
| 2025 | 4 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nuclear reactor core with rotating fuel modules and related systems15 Sep 2026US 12,738,386 B2Jacksonville University
- Device and method for producing medical isotopes14 Oct 2025US 12,444,515 B2SHINE Technologies, LLC
- Device and method for producing medical isotopes9 Sep 2025US 12,412,676 B2SHINE Technologies, LLC
- Methods of energy generation from a Thorium molten salt system9 Sep 2025US 12,412,677 B2Texas Thorium, LLC
- Shielded transportable nuclear reactor12 Aug 2025US 12,387,854 B2Carbon Free Holdings LLC
- Multiplicative fission and converter Core for thermal and electrial generation16 Jul 2026US 2026/0204442 A1
- System and method for lunar and planetary nuclear reactor25 Sep 2025US 2025/0299842 A1
- Method and apparatus for controlling corrosion in a molten salt reactor18 Sep 2025US 2025/0292920 A1
- Method and apparatus for safe and efficient nuclear power generation6 Feb 2025US 2025/0046483 A1Muons, Inc.
- Target irradiation systems for the production of radioisotopes14 Nov 2024US 2024/0379255 A1BWXT Isotope Technology Group, Inc.
Most cited
By later US patents
- Energy amplifier for nuclear energy production driven by a particle beam accelerator58US 5,774,514 A1998
- Irradiation surveillance specimen assembly49US 4,196,047 AThe Babcock & Wilcox Company · 1980
- Destruction of plutonium47US 5,513,226 AGeneral Atomics · 1996
- Preparation of a primary target for the production of fission products in a nuclear reactor46US 3,940,318 AUnion Carbide Corporation · 1976
- Rod assembly for nuclear reactors39US 7,526,058 B2General Electric Company · 2009